DIY Tub Cleaner: vinegar and dish soap, no scrubbing! Heat white vinegar in m'wave for 90 sec, pour int spray bottle. Shake gently to mix. Spray on surface, let it sit hours. Just wipe it away then rinse with water.
To unclog drain, remove standing water, pour 1 cup baking soda down drain then pour 1 cup vinegar in and cover - let sit for minutes then pour pan of boiling water into the drain slowly. This really works!